CN107838417B - A kind of iron Al-based agent diamond tool and preparation method thereof - Google Patents
A kind of iron Al-based agent diamond tool and preparation method thereof Download PDFInfo
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- CN107838417B CN107838417B CN201711002383.6A CN201711002383A CN107838417B CN 107838417 B CN107838417 B CN 107838417B CN 201711002383 A CN201711002383 A CN 201711002383A CN 107838417 B CN107838417 B CN 107838417B
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- 239000010432 diamond Substances 0.000 title claims abstract description 75
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 75
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 90
- 238000005245 sintering Methods 0.000 claims abstract description 38
- 229910017755 Cu-Sn Inorganic materials 0.000 claims abstract description 20
- 229910017927 Cu—Sn Inorganic materials 0.000 claims abstract description 20
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011812 mixed powder Substances 0.000 claims abstract description 20
- 239000007767 bonding agent Substances 0.000 claims abstract description 19
- 238000000227 grinding Methods 0.000 claims abstract description 17
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 17
- 229910000048 titanium hydride Inorganic materials 0.000 claims abstract description 17
- 239000003082 abrasive agent Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 22
- 238000000498 ball milling Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 3
- 229910015372 FeAl Inorganic materials 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000000280 densification Methods 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 229910000765 intermetallic Inorganic materials 0.000 abstract description 2
- 150000002505 iron Chemical class 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 102000008133 Iron-Binding Proteins Human genes 0.000 description 1
- 108010035210 Iron-Binding Proteins Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000000039 congener Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910000743 fusible alloy Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
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- B22F1/0003—
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Abstract
The invention discloses a kind of iron Al-based agent diamond tools and preparation method thereof.This iron Al-based agent diamond tool includes bonding agent and abrasive material；Bonding agent is by 70~90 mass parts Fe-Al mixed powders, 10~30 mass parts Cu-Sn prealloy powder, 0.5~3 mass parts Si powder, 0.5~1 mass parts B powder and 0.5~3 mass parts TiH2Powder composition；Abrasive material is diamond, and diamond abrasive accounts for the 5~25% of grinding layer volume.The preparation method of this iron Al-based agent diamond tool is also disclosed simultaneously.The bonding agent system of the invention proposes a kind of FeAl intermetallic compound based on fabricated in situ, the diamond tool being prepared has the advantages that high temperature resistant, corrosion-resistant, low-gravity, while also improving the sintering densification performance of diamond tool.
Description
Technical field
The present invention relates to a kind of iron Al-based agent diamond tools and preparation method thereof.
Background technique
Metal binding agent diamond tool is widely used in stone material, ceramics, concrete, bituminous pavement processing and geological drilling
Equal fields, the multicomponent body that bonding agent is mainly combined with the Metal Substrates such as Co, Cu, Fe low-melting alloy (Sn, Zn, Pb etc.)
System.Co and Cu price height makes diamond tool high production cost, is not suitable for using in the industry.And Fe is cheap, resource is rich
Richness has abrasion loss small by the diamond tool that design of material appropriate synthesizes, and grinding ratio is high, and intensity is high, not fragile
Damage, good shaping, dressing, the advantages that diamond and good skeleton wetability, slightly broad spectrum activity is suitable for that processing is various hard crisp
Material.Iron and cobalt belong to congeners, and Nature comparison is similar, more for the research of cobalt with iron at present.
In current used metallic bond, Co based anchoring agent is best in conjunction with diamond, performance highest, but Co valence
Lattice are high.Fe based anchoring agent is compared with Co based anchoring agent, and performance and Co base class are seemingly, cheap, although hardness is lower
Wearability is good.But iron-binding agent is easy to aoxidize, and at high temperature, and iron powder can generate more serious chemistry to diamond and invade
Erosion is influenced the mechanical property of bonding agent itself and its effective holding to diamond due to these two aspects, causes to process
Bonding agent wears no resistance in the process, and diamond is easy to fall off, and shortens the service life of diamond tool.
Summary of the invention
The purpose of the present invention is to provide a kind of iron Al-based agent diamond tools and preparation method thereof.
The technical solution used in the present invention is:
A kind of iron Al-based agent diamond tool, including bonding agent and abrasive material；Bonding agent is by 70~90 mass parts Fe-Al
Mixed powder, 10~30 mass parts Cu-Sn prealloy powder, 0.5~3 mass parts Si powder, 0.5~1 mass parts B powder and 0.5~3 mass
Part TiH2Powder composition；Abrasive material is diamond, and diamond abrasive accounts for the 5~25% of grinding layer volume.
Fe-Al mixed powder is the mixed powder that Fe powder and Al powder 2:1 in mass ratio are formed, and wherein the partial size of Fe powder is 5~30 μ
The partial size of m, Al powder is 5~30 μm.
It is 5~50 μm that the mass content of Sn, which is the partial size of 15~20%, Cu-Sn prealloy powder, in Cu-Sn prealloy powder.
The partial size of Si powder is 1~15 μm, and the partial size of B powder is 1~15 μm, TiH2The partial size of powder is 1~15 μm.
The partial size of diamond abrasive is 20~120 mesh.
A kind of preparation method of iron Al-based agent diamond tool, comprising the following steps:
1) Fe powder and Al powder are mixed in ball mill, obtains Fe-Al mixed powder；
2) by Fe-Al mixed powder, Cu-Sn prealloy powder, Si powder, B powder, TiH2Powder and diamond abrasive are mixed in ball mill
It closes, obtains diamond tool and prepare material；
3) diamond tool is prepared into material cold moudling, obtains diamond tool green body；
4) diamond tool green body is sintered, obtains above-mentioned iron Al-based agent diamond tool.
In step 1) or step 2), the revolving speed of ball mill is 150~250r/min, and Ball-milling Time is 3~5h, and ratio of grinding media to material is
(5~10): 1.
In step 3), the green density of diamond tool green body is 50~70% theoretical densities, cold pressing pressure is 200~
300MPa。
In step 4), the mode of sintering is discharge plasma sintering, hot pressed sintering, wherein one in gas pressure sintering
Kind.
In step 4), sintering temperature be 600~1100 DEG C, sintering time be 3~30min, sintering pressure be 30~
100MPa。
The beneficial effects of the present invention are:
The bonding agent system of the invention proposes a kind of FeAl intermetallic compound based on fabricated in situ, is prepared
Diamond tool has the advantages that high temperature resistant, corrosion-resistant, low-gravity, while also improving the sintering densification of diamond tool
Energy.
Specifically:
The present invention is added to several different additives, including Cu-Sn pre-alloyed powder in system, Si powder, B powder and
TiH2Powder.The consistency of FeAl can be improved in Cu-Sn pre-alloyed powder；The introducing of Si element can reduce sintering temperature, change
It is apt to its sintering character, and the effect of solution strengthening can be generated, increases the intensity of diamond tool；B powder can improve brittleness, improve
The hardness of tool；TiH2In Ti element can then improve bond strength, improve bonding agent to the holding power of diamond.
Specific embodiment
A kind of iron Al-based agent diamond tool, including bonding agent and abrasive material；Bonding agent is by 70~90 mass parts Fe-Al
Mixed powder, 10~30 mass parts Cu-Sn prealloy powder, 0.5~3 mass parts Si powder, 0.5~1 mass parts B powder and 0.5~3 mass
Part TiH2Powder composition；Abrasive material is diamond, and diamond abrasive accounts for the 5~25% of grinding layer volume.
Preferably, a kind of iron Al-based agent diamond tool, including bonding agent and abrasive material；Bonding agent is by 72~88 mass
Part Fe-Al mixed powder, 10~28 mass parts Cu-Sn prealloy powder, 0.5~1 mass parts Si powder, 0.5~1 mass parts B powder and 0.5
~1 mass parts TiH2Powder composition；Abrasive material is diamond, and diamond abrasive accounts for the 10~25% of grinding layer volume.
Further, diamond abrasive accounts for the 18.75~25% of grinding layer volume.
Preferably, Fe-Al mixed powder is the mixed powder that Fe powder and Al powder 2:1 in mass ratio are formed, wherein the partial size of Fe powder
It is 5~30 μm, the partial size of Al powder is 5~30 μm；It is further preferred that the partial size of Fe powder is 10~25 μm, the partial size of Al powder is
10~25 μm.
Preferably, in Cu-Sn prealloy powder the mass content of Sn be 15~20%, Cu-Sn prealloy powder partial size be 5~
50μm；It is further preferred that the partial size of Cu-Sn prealloy powder is 10~40 μm.
Preferably, the partial size of Si powder is 1~15 μm, and the partial size of B powder is 1~15 μm, TiH2The partial size of powder is 1~15 μm；
It is further preferred that the partial size of Si powder is 5~10 μm, the partial size of B powder is 5~10 μm, TiH2The partial size of powder is 5~10 μm.
Preferably, the partial size of diamond abrasive is 20~120 mesh；It is further preferred that the partial size of diamond abrasive is 30
~60 mesh.
A kind of preparation method of iron Al-based agent diamond tool, comprising the following steps:
1) Fe powder and Al powder are mixed in ball mill, obtains Fe-Al mixed powder；
2) by Fe-Al mixed powder, Cu-Sn prealloy powder, Si powder, B powder, TiH2Powder and diamond abrasive are mixed in ball mill
It closes, obtains diamond tool and prepare material；
3) diamond tool is prepared into material cold moudling, obtains diamond tool green body；
4) diamond tool green body is sintered, obtains above-mentioned iron Al-based agent diamond tool.
Preferably, in step 1) or step 2), the revolving speed of ball mill is 150~250r/min, and Ball-milling Time is 3~5h,
Ratio of grinding media to material is (5~10): 1.
Further, in step 1) or step 2), the total volume of abrading-ball and material is no more than the 2/3 of ball milling tank volume.
Preferably, in step 3), the green density of diamond tool green body is 50~70% theoretical densities, and cold pressing pressure is
200~300MPa.
Further, cold moudling described in step 3) carries out in hard alloy cold stamping die.
Preferably, in step 4), the mode of sintering is discharge plasma sintering, in hot pressed sintering, gas pressure sintering
It is one of.
Preferably, in step 4), sintering temperature is 600~1100 DEG C, and sintering time is 3~30min, sintering pressure 30
~100MPa；It is further preferred that sintering temperature is 800~900 DEG C in step 4), sintering time is 8~12min, sintering pressure
Power is 30~60MPa.
Fe powder, Al powder, Cu-Sn prealloy powder, Si powder, B powder and TiH of the present invention2The purity of powder is all larger than
99.9%.
The contents of the present invention are described in further detail below by way of specific embodiment.
Embodiment 1:
Fe powder and Al powder 2:1 in mass ratio are matched, and through ball mill mixing, the revolving speed of ball mill is 200r/min, when ball milling
Between be 3h, ratio of grinding media to material 5: 1, ball milling is prepared into Fe-Al mixed powder, and mass fraction is 88 parts altogether, and wherein the partial size of Fe powder is
25 μm, the partial size of Al powder is 15 μm；The mass fraction of Cu-Sn pre-alloyed powder is 10 parts, and partial size is 40 μm；The quality of Si powder
Number is 1 part, and partial size is 10 μm；The mass fraction of B powder is 0.5 part, and partial size is 5 μm；TiH2The mass fraction of powder is
0.5 part, partial size is 10 μm.Add diamond abrasive, make its account for grinding layer volume 25%, partial size be 50/60 mesh.It will be upper
The bonding agent and abrasive material for stating ratio are put into ball mill and are sufficiently mixed, drum's speed of rotation 150r/min, Ball-milling Time 3h, ball material
Than being 5: 1.Mixed tool is prepared into material cold moudling in hard alloy cold stamping die, pressure 300MPa is obtained
Tool green body green density be 50% theoretical density；Hot pressed sintering is carried out to tool green body, sintering temperature is 800 DEG C, is burnt
The knot time is 10min, sintering pressure 30MPa, and the thermal energy and pressure that tool green body is provided by hot pressing furnace react, finally
Obtain diamond tool.
Embodiment 2:
Fe powder and Al powder 2:1 in mass ratio are matched, and through ball mill mixing, the revolving speed of ball mill is 200r/min, when ball milling
Between be 3h, ratio of grinding media to material 5: 1, ball milling is prepared into Fe-Al mixed powder, and mass fraction is 80 parts altogether, and wherein the partial size of Fe powder is
10 μm, the partial size of Al powder is 25 μm；The mass fraction of Cu-Sn pre-alloyed powder is 18 parts, and partial size is 30 μm；The quality of Si powder
Number is 0.5 part, and partial size is 5 μm；The mass fraction of B powder is 0.5 part, and partial size is 10 μm；TiH2The mass fraction of powder
It is 1 part, partial size is 5 μm.Add diamond abrasive, make its account for grinding layer volume 18.75%, partial size be 40/50 mesh.It will
The bonding agent and abrasive material of aforementioned proportion, are put into ball mill and are sufficiently mixed, drum's speed of rotation 200r/min, Ball-milling Time 5h,
Ratio of grinding media to material is 10: 1.Mixed tool is prepared into material cold moudling in hard alloy cold stamping die, pressure 250MPa,
The green density of obtained tool green body is 70% theoretical density.Gas pressure sintering is carried out to tool green body, sintering temperature is
850 DEG C, sintering time 12min, sintering pressure 50MPa, the thermal energy and pressure that tool green body is provided by hot pressing furnace occur
Reaction, finally obtains diamond tool.
Embodiment 3:
Fe powder and Al powder 2:1 in mass ratio are matched, and through ball mill mixing, the revolving speed of ball mill is 200r/min, when ball milling
Between be 3h, ratio of grinding media to material 5: 1, ball milling is prepared into Fe-Al mixed powder, and mass fraction is 72 parts altogether, and wherein the partial size of Fe powder is
20 μm, the partial size of Al powder is 10 μm；The mass fraction of Cu-Sn pre-alloyed powder is 28 parts, and partial size is 10 μm；The quality of Si powder
Number is 1 part, and partial size is 10 μm；The mass fraction of B powder is 1 part, and partial size is 5 μm；TiH2The mass fraction of powder is 0.5
Part, partial size is 10 μm.Add diamond abrasive, make its account for grinding layer volume 25%, partial size be 30/40 mesh.It will be above-mentioned
The bonding agent and abrasive material of ratio, are put into ball mill and are sufficiently mixed, drum's speed of rotation 250r/min, Ball-milling Time 4h, ball material
Than being 9: 1.Mixed tool is prepared into material cold moudling in hard alloy cold stamping die, pressure 200MPa is obtained
Tool green body green density be 60% theoretical density；Hot pressed sintering is carried out to tool green body, sintering temperature is 900 DEG C, is burnt
The knot time is 8min, sintering pressure 60MPa, and the thermal energy and pressure that tool green body is provided by hot pressing furnace react, finally
Obtain diamond tool.
Claims (6)
1. a kind of iron Al-based agent diamond tool, it is characterised in that: including bonding agent and abrasive material；Bonding agent is by 70~90 matter
Measure part Fe-Al mixed powder, 10~30 mass parts Cu-Sn prealloy powder, 0.5~3 mass parts Si powder, 0.5~1 mass parts B powder and
0.5~3 mass parts TiH2Powder composition；Abrasive material is diamond, and diamond abrasive accounts for the 5~25% of grinding layer volume；The Cu-
It is 5~50 μm that the mass content of Sn, which is the partial size of 15~20%, Cu-Sn prealloy powder, in Sn prealloy powder；Fe-Al mixed powder is
The mixed powder of Fe powder and Al powder 2:1 in mass ratio composition, wherein the partial size of Fe powder is 5~30 μm, and the partial size of Al powder is 5~30 μ
m；The partial size of Si powder is 1~15 μm, and the partial size of B powder is 1~15 μm, TiH2The partial size of powder is 1~15 μm；The grain of diamond abrasive
Diameter is 20~120 mesh.
2. a kind of preparation method of iron Al-based agent diamond tool, it is characterised in that: the following steps are included:
1) Fe powder and Al powder are mixed in ball mill, obtains Fe-Al mixed powder；
2) by Fe-Al mixed powder, Cu-Sn prealloy powder, Si powder, B powder, TiH2Powder and diamond abrasive are mixed in ball mill, are obtained
Diamond tool prepares material；
3) diamond tool is prepared into material cold moudling, obtains diamond tool green body；
4) diamond tool green body is sintered, obtains iron Al-based agent diamond tool described in claim 1.
3. a kind of preparation method of iron Al-based agent diamond tool according to claim 2, it is characterised in that: step
1) or in step 2), the revolving speed of ball mill is 150~250r/min, and Ball-milling Time is 3~5h, and ratio of grinding media to material is (5~10): 1.
4. a kind of preparation method of iron Al-based agent diamond tool according to claim 2, it is characterised in that: step
3) in, the green density of diamond tool green body is 50~70% theoretical densities, and cold pressing pressure is 200~300MPa.
5. a kind of preparation method of iron Al-based agent diamond tool according to claim 2, it is characterised in that: step
4) in, the mode of sintering is discharge plasma sintering, hot pressed sintering, the one of which in gas pressure sintering.
6. a kind of preparation method of iron Al-based agent diamond tool according to claim 5, it is characterised in that: step
4) in, sintering temperature is 600~1100 DEG C, and sintering time is 3~30min, and sintering pressure is 30~100MPa.
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| CN110116376B (en) * | 2019-06-21 | 2021-01-26 | 广东工业大学 | Metal bond grinding tool and preparation method thereof |
| CN110218924A (en) * | 2019-07-12 | 2019-09-10 | 河南工业大学 | A kind of preparation method of high-performance diamond sintered article |
| CN110744051B (en) * | 2019-11-28 | 2021-12-21 | 中国有色桂林矿产地质研究院有限公司 | Preparation method of polycrystalline diamond compact |
| CN114260446B (en) * | 2021-12-30 | 2024-01-26 | 郑州机械研究所有限公司 | Matrix powder for diamond grinding tool, double-component matrix powder for diamond grinding tool and grinding wheel for ceramic dry grinding |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181749A (en) * | 2007-12-19 | 2008-05-21 | 上海芬迪超硬材料科技有限公司 | Atomized alloyed powder substituting cobalt and nickel in diamond tools |
| CN105773447A (en) * | 2016-05-24 | 2016-07-20 | 广东工业大学 | Novel dry type machining grinding tool and preparation method thereof |
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| CN102433486A (en) * | 2011-12-19 | 2012-05-02 | 株洲硬质合金集团有限公司 | Tungsten carbide-intermetallic compound hard alloy of twin structure and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181749A (en) * | 2007-12-19 | 2008-05-21 | 上海芬迪超硬材料科技有限公司 | Atomized alloyed powder substituting cobalt and nickel in diamond tools |
| CN105773447A (en) * | 2016-05-24 | 2016-07-20 | 广东工业大学 | Novel dry type machining grinding tool and preparation method thereof |
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